/**
 * request 网络请求工具
 * 更详细的 api 文档: https://github.com/umijs/umi-request
 */
import {extend, ResponseError} from 'umi-request';
import {notification} from 'antd';
import config from "@/config";
import {getUserToken, listToTree} from "@/utils/utils";
import {ApiResult} from "@/utils/data";
import {TreeNodeModel} from "@/global";

/** 错误消息 */
const codeMessage = {
  200: '服务器成功返回请求的数据。',
  201: '新建或修改数据成功。',
  202: '一个请求已经进入后台排队（异步任务）。',
  204: '删除数据成功。',
  400: '发出的请求有错误，服务器没有进行新建或修改数据的操作。',
  401: '用户没有权限（令牌、用户名、密码错误）。',
  403: '用户得到授权，但是访问是被禁止的。',
  404: '发出的请求针对的是不存在的记录，服务器没有进行操作。',
  406: '请求的格式不可得。',
  410: '请求的资源被永久删除，且不会再得到的。',
  422: '当创建一个对象时，发生一个验证错误。',
  500: '服务器发生错误，请检查服务器。',
  502: '网关错误。',
  503: '服务不可用，服务器暂时过载或维护。',
  504: '网关超时。',
};

/** 异常处理程序 */
const errorHandler = (error: ResponseError) => {
  const {response} = error;
  if (response && response.status) {
    const errorText = codeMessage[response.status] || response.statusText;
    const {status, url} = response;
    notification.error({
      message: `请求错误 ${status}: ${url}`,
      description: errorText,
    });
  } else if (!response) {
    notification.error({
      description: '您的网络发生异常，无法连接服务器',
      message: '网络异常',
    });
  }
};

/** 创建request实例 */
const request = extend({
  errorHandler: errorHandler, // 默认错误处理
  requestType: 'json',
  responseType: 'json',
  credentials: 'include', // 默认请求是否带上cookie
});

/** 请求前拦截 */
request.interceptors.request.use((url, options) => {
  const headers = {};
  headers['requestType'] = 'api';
  headers['appId'] = config.appId;
  headers['token'] = getUserToken();
  return {url, options: {...options, headers}};
})

/** 请求成功后拦截 */
request.interceptors.response.use(async (response, options) => {
  if (options.responseType === 'json') {
    const data: ApiResult = await response.clone().json();
    if (data.code == -1 && data.msg) {
      notification.error({
        message: '系统提示',
        description: data.msg,
      });
    }
  }
  return response;
});

const get = (url: string, params?: any) => {
  return request.get(url, {params});
};

const post = (url: string, data?: any) => {
  data = data ?? {};
  return request.post(url, {data});
};

const page = (url: string, data?: any) => {
  data = data ?? {};
  let {sorter, pageSize, current, ...params} = data;
  const rdata = {
    pageSize: pageSize,
    pageIndex: current,
    sortName: sorter?.sortName,
    sortDir: sorter?.sortDir,
    ...params
  };
  return request.post(url, {
    data: rdata
  }).then((r: any) => {
    return {success: true, total: r.data.total, data: r.data.rows};
  });
};

const tree = (url: string, data?: any, itemCallback?: ((p: any) => void)) => {
  data = data ?? {};
  return post(url, data).then((r: any) => {
    const treeData = listToTree<TreeNodeModel>(r.data, itemCallback);
    return {success: true, total: r.data.length, data: treeData};
  });
};

export {request, get, post, page, tree,};
